<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>后端拖拽实现同步前端</title>
</head>

<body>
    后端存json格式的数据类型,前端拿到api数据后解析数据
    {name:"banner",width:"420px",height:"30px"}
</body>

</html>